Michael J Petro insider trades
Open-market stock purchases and sales by Michael J Petro, SVP and CFO at Martin Marietta Materials Inc, from SEC Form 4 filings since Jan 5, 2022.
Track record: 100% of 1 scored buy are up 5% or more since purchase, averaging +12%.
Recent trades
| Date | Stock | Trade | Value |
|---|---|---|---|
| Sep 1, 2026 | MLM Martin Marietta Materials Inc | Bought (not open market) | — |
| Aug 3, 2026 | MLM Martin Marietta Materials Inc | Sold (not open market) | $200K |
| Mar 1, 2026 | MLM Martin Marietta Materials Inc | Bought (not open market) | — |
| Feb 24, 2026 | MLM Martin Marietta Materials Inc | Sold (not open market) | $65.5K |
| Feb 23, 2026 | MLM Martin Marietta Materials Inc | Sold (not open market) | $144K |
| Feb 20, 2026 | MLM Martin Marietta Materials Inc | Bought (not open market) | — |
| Feb 17, 2026 | MLM Martin Marietta Materials Inc | Bought (not open market) | — |
| Feb 17, 2026 | MLM Martin Marietta Materials Inc | Sold (not open market) | $505K |
Companies traded
- MLM Martin Marietta Materials Inc: 1 buy, last Sep 1, 2026